gg_style <- theme(
plot.background = element_rect(fill = "#505050", color = "#505050"),
plot.title = element_text(color = "#fefefe"),
plot.subtitle = element_text(color = "#fefefe"),
plot.margin = margin(10,10,10,10),
panel.background = element_rect(fill = "#505050", color = "#505050"),
panel.grid = element_blank(),
legend.background = element_rect(fill='transparent', color = "#505050"),
legend.box.background = element_rect(fill='transparent'),
legend.text = element_text(size = rel(0.8), color = "#fefefe"),
legend.text.align = NULL,
legend.title = element_text(hjust = 0, color = "#fefefe")
)